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patches/strace/4.5.18/170-no_cachectl.patch
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Sun Jul 17 22:43:07 2011 +0200 (2011-07-17)
changeset 2893 a8a65758664f
permissions -rw-r--r--
cc/gcc: do not use the core pass-2 to build the baremetal compiler

In case we build a baremetal compiler, use the standard passes:
- core_cc is used to build the C library;
- as such, it is meant to run on build, not host;
- the final compiler is meant to run on host;

As the current final compiler step can not build a baremetal compiler,
call the core backend from the final step.

NB: Currently, newlib is built during the start_files pass, so we have
to have a core compiler by then... Once we can build the baremetal
compiler from the final cc step, then we can move the newlib build to
the proper step, and then get rid of the core pass-1 static compiler...

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr> 
     1 This patch is needed on newer uclibc becuase the uclibc header generation

     2 mechanism generates the sysnum.h properly NR_cacheflush is defined for ARM

     3 but there is no cachectl.h file which is exported to userspace. Strace 

     4 assumes that if SYS_cacheflush is defined than it icludes asm/cachectl.h

     5 which breaks the build for ARM now.

     6 

     7 This patch adds a check for ARM architecture.

     8 

     9 -Khem

    10 

    11 Here is error

    12 

    13 | if ccache arm-angstrom-linux-uclibcgnueabi-gcc -march=armv5te -mtune=arm926ej-s -DHAVE_CONFIG_H -I. -I. -I. -Ilinux/arm -I./linux/arm -Ilinux -I./linux  -isystem/home/kraj/work/oe/build/uclibc/tmp-omap5912osk/staging/arm-angstrom-linux-uclibcgnueabi/usr/include -Wall -isystem/home/kraj/work/oe/build/uclibc/tmp-omap5912osk/staging/arm-angstrom-linux-uclibcgnueabi/usr/include -fexpensive-optimizations -fomit-frame-pointer -frename-registers -Os -MT term.o -MD -MP -MF ".deps/term.Tpo" -c -o term.o term.c; \

    14 |   then mv -f ".deps/term.Tpo" ".deps/term.Po"; else rm -f ".deps/term.Tpo"; exit 1; fi

    15 | system.c:69:26: error: asm/cachectl.h: No such file or directory

    16 | make[1]: *** [system.o] Error 1

    17 | make[1]: *** Waiting for unfinished jobs....

    18 | signal.c: In function 'sys_sigreturn':

    19 | signal.c:1221: warning: passing argument 4 of 'ptrace' makes integer from pointer without a cast

    20 | make[1]: Leaving directory `/home/kraj/work/oe/build/uclibc/tmp-omap5912osk/work/armv5te-angstrom-linux-uclibcgnueabi/strace-4.5.14-r5/strace-4.5.14'

    21 | make: *** [all] Error 2

    22 | FATAL: oe_runmake failed

    23 

    24 Index: strace-4.5.14/system.c

    25 ===================================================================

    26 --- strace-4.5.14.orig/system.c 2008-05-15 20:23:16.000000000 -0700

    27 +++ strace-4.5.14/system.c  2008-05-15 20:24:03.000000000 -0700

    28 @@ -65,7 +65,7 @@

    29  #include <linux/capability.h>

    30  #endif

    31  

    32 -#ifdef SYS_cacheflush

    33 +#if defined SYS_cacheflush && !defined ARM

    34  #include <asm/cachectl.h>

    35  #endif
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